. >> reporter: joe biden smiled a lot. some say con de sendingly. >> 5.2 million new private sector jobs. >> reporter: he denied obama covered up the al qaeda attack in libya. >> the intelligence community told us that about exactly what happened, they changed their assessment. >> i thought joe biden was terrific tonight. i could not be prouder of him. >> reporter: but mitt romney charged today biden doubled down on denial when he said, quote, we weren't told u.s. diplomats in libya asked for more security. >> when the vice president of the united states directly contradicts the testimony, sworn testimony of state department officials, american citizens have a right to know just what's going on. >> reporter: back in cincinnati, a bakery is polling ohio voters with cookie sales. so far, it's obama in the lead. just four days until the president and mitt romney tangle again in their second debate on long island. live from cincinnati, steve hand elsman, news4. >>> when we come back this afternoon, a hidden camera investigatio